Sample rack



FIG. 1 is a front, top and left side perspective view of a sample rack showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof; and,

FIG. 9 is an enlarged view of the portion shown in BOX 9 in FIG. 5 thereof.

The broken lines are included for the purpose of illustrating unclaimed portions of the sample rack that form no part of the claimed design. 

We claim the ornamental design for a sample rack, as shown and described. 